This is one 20x10 Pro Zinger R/C Airplane Wood Propeller by J&Z Products.

FEATURES: Designed for the advanced competitive flyer looking for the ultimate
            in performance and dependability.
          True pitch and has been balanced twice before shipping.
          Single center bore.
          Made of hard rock maple wood.
          Clear coated natural wood finish.
          Classic pointed tips.
          Recommended use so that the best performance can be attained:
            Engine Size: 3.0

INCLUDES: One Pro Zinger Wood Propeller

SPECS:    Bore Diameter:  1/4"
          Prop Diameter:  20"  (50cm)
          Prop Pitch:     10"  (25cm)

REQUIRES: All propellers must be checked and balanced before using.
          Depending on the engine crankshaft size, the propeller may need to
            be reamed to a larger size using GPMQ5005 (SAE) or
            GPMQ5007 (Metric).
                                                                       kr4/2/02
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